Disk Utility – External hard drive was accidentally turned off and does not display files

I recently bought a hard drive and when I connected it to my laptop, the partition option was not available in Disk Utility. So I searched the Apple forums for a solution that included the following in the terminal:

diskutil erasedisk hfs+ External GPT /dev/disk2

I also had my older hard drive plugged into my laptop (it has 5 partitions). I right-clicked on all these 5 partitions and ejected them from my hard drive and then did the following in the terminal on my laptop:

diskutil erasedisk hfs+ External GPT /dev/disk2

I completely forgot to disconnect my older hard drive from my laptop. Since I intended to be this for my newer hard drive. But then I heard my older hard drive make a noise. I panicked and turned off the switch on this hard drive.

Did I lose everything on my older hard drive?

I tried to find a solution, but nothing seems to work.

I see my older drive in Disk Utility as a disk as "disk2s2" instead of the names I gave my 5 partitions and it is greyed out.
When I run

diskutil list

"Disk2s2" is displayed in the list in the terminal.

The disk was disabled using and successfully ejected

diskutil unmountDisk /dev/disk2


diskutil eject /dev/disk2

But it won't mount

diskutil mountDisk /dev/disk2

It comes back with

One or more volume(s) failed to mount

I also tried running First Aid in Disk Utility. I get the following message:

Repairing file system.
Volume is already unmounted.
Performing fsck_hfs -fy -x /dev/rdisk2s2
File system check exit code is 8.
Restoring the original state found as unmounted.
File system verify or repair failed.
Operation failed…

This is how it appears in Disk Utility.

What else can I try to get my information?

Any help would be appreciated. Thank you very much.

I dropped my hard drive and turned it off – I imported it again to manage it through Lightroom

I had just spent some time copying images from external drives that were not in my Lightroom catalog through Lightroom CC Classic. The power cable to my WD 14TB hard drive is not long enough and I could trip over it, the hard drive landing hard on the hard floor of my kitchen / food.

I have some new hard drives. Do I have to delete all catalog files from Lightroom before I import 15,000 images again? Or is there a way to import them, if I don't unlock, don't import duplicates, I can't import the images to the new hard drives …

Applications – Unspecified applications have unlimited data usage when data storage is enabled. Data usage is 3 GB / day and each switch is turned off

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